org.axiondb.constraints

Class UniqueConstraint

java.lang.Object

org.axiondb.constraints.BaseConstraint

org.axiondb.constraints.BaseSelectableBasedConstraint

org.axiondb.constraints.UniqueConstraint

All Implemented Interfaces:

java.io.Serializable, Constraint, SelectableBasedConstraint

Direct Known Subclasses:

PrimaryKeyConstraint

public class UniqueConstraint
extends BaseSelectableBasedConstraint

A UNIQUE constraint, which is violated when my collection of Selectables is not unique within my table.

Version:

$Revision: 1.16 $ $Date: 2007/11/13 19:04:02 $

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UniqueConstraint(java.lang.String name)
UniqueConstraint(java.lang.String name, java.lang.String type)

Method Summary

Modifier and Type	Method and Description
void	addFK(java.lang.String name)
boolean	evaluate(RowEvent event) Evaluate the given event under me.
boolean	evaluate(RowEvent event, RowDecorator dec) Evaluate the given event under me.
boolean	evaluate(RowEvent event, RowDecorator dec, boolean wasDeferred)
boolean	evaluate(RowIterator oldRows, RowIterator newRows, Table table)
java.util.Iterator	getFKs()

Methods inherited from class org.axiondb.constraints.BaseSelectableBasedConstraint

addSelectable, getSelectable, getSelectableCount, getSelectableList, getSelectables, resolve

Methods inherited from class org.axiondb.constraints.BaseConstraint

getName, getType, isDeferrable, isDeferred, setDeferrable, setDeferred, setName, toArray

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.axiondb.Constraint

getName, getType, isDeferrable, isDeferred, setDeferrable, setDeferred, setName

Constructor Detail

UniqueConstraint

public UniqueConstraint(java.lang.String name)

UniqueConstraint

public UniqueConstraint(java.lang.String name,
                        java.lang.String type)

Method Detail

evaluate

public boolean evaluate(RowEvent event)
                 throws AxionException

Description copied from interface: Constraint

Evaluate the given event under me. Returns false if the constraint I represent has been violated.

Specified by:

evaluate in interface Constraint

Specified by:

evaluate in class BaseSelectableBasedConstraint

Throws:

AxionException

evaluate

public boolean evaluate(RowEvent event,
                        RowDecorator dec)
                 throws AxionException

Description copied from interface: Constraint

Evaluate the given event under me. Returns false if the constraint I represent has been violated.

Specified by:

evaluate in interface Constraint

Specified by:

evaluate in class BaseSelectableBasedConstraint

Throws:

AxionException

evaluate

public boolean evaluate(RowEvent event,
                        RowDecorator dec,
                        boolean wasDeferred)
                 throws AxionException

Throws:

AxionException

evaluate

public boolean evaluate(RowIterator oldRows,
                        RowIterator newRows,
                        Table table)
                 throws AxionException

Specified by:

evaluate in interface Constraint

Specified by:

evaluate in class BaseSelectableBasedConstraint

Throws:

AxionException

addFK

public void addFK(java.lang.String name)

getFKs

public java.util.Iterator getFKs()